Theater Solutions TSLCR5 In Wall Speaker Home Theater Surround Sound Center Channel Theater Solutions TSLCR5 center in wall speaker, recommended power is 20-200 watts, efficiency is 92dB, frequency response is 30Hz-20 kHz, 8ohm, 3-way design and functionality Dual 5.25" woven fiber bulletproof cone woofers with butyl rubber surrounds, fully shielded, pivoting PEI dome tweeter, second order 12dB per octave crossover IR knockout, spring loaded wire terminals, paint-able frame and grill, low profile housing, unique wall locking mounting system Cut out is 16.25" x 7.5", overall is 17.625" x 8.75", mounting depth is 3.625", designed and engineered in the USA Use for in wall or in ceiling home entertainment, surround sound, home theater, center channels, offices or commercial, this listing and price is for 1 in wall speaker